EP 1353436 A3 20060531 - A compact electrical machine
Title (en)
A compact electrical machine
Title (de)
Kompakte elektrische Maschine
Title (fr)
Machine électrique compacte
Publication
Application
Priority
GB 0208565 A 20020413
Abstract (en)
[origin: EP1353436A2] An electrical machine comprises a combined magnetic gearbox and electrical generator. A first set of permanent magnets (30) are arranged on a rotor (16) to produce a spatially variable first magnetic field. A second set of permanent magnets (32) are arranged on a rotor (40,41,43), stationary pole pieces (36) are positioned between the first set of permanent magnets (30) and the second set of permanent magnets (32) to interfere with the first magnetic field. Rotation of the rotor (16) relative to the pole pieces (36) produces a second magnetic field which rotates the second set of permanent magnets (32). A stator (42) has windings (46) to transduce a changing second magnetic field produced by the rotation of the second set of permanent magnets (32) into an electrical voltage. The electrical machine is useful for a wind turbine generator. Alternatively the arrangement may be modified to produce an electrical motor.
IPC 8 full level
H02K 7/11 (2006.01); H02K 49/10 (2006.01)
CPC (source: EP US)
H02K 7/11 (2013.01 - EP US); H02K 49/102 (2013.01 - EP US); H02K 51/00 (2013.01 - US); H02K 7/1838 (2013.01 - EP US); Y02E 10/72 (2013.01 - EP US)
Citation (search report)
- [Y] US 4137473 A 19790130 - PFISTER JEAN-FRANCOIS
- [Y] US 5633555 A 19970527 - ACKERMANN BERND [DE], et al
- [A] WO 9622630 A1 19960725 - ROBINSON ALAN KEITH [GB]
- [A] DE 19917687 A1 20001026 - KASTL HEINER [DE]
- [A] GB 557921 A 19431210 - BRISTOL AEROPLANE CO LTD, et al
- [A] DE 3428684 C1 19860605 - WEH HERBERT PROF DR-ING
- [A] DE 2631354 A1 19780126 - TELDIX GMBH
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR
DOCDB simple family (publication)
EP 1353436 A2 20031015; EP 1353436 A3 20060531; EP 1353436 B1 20180606; GB 0208565 D0 20020522; US 2004108781 A1 20040610; US 6794781 B2 20040921
DOCDB simple family (application)
EP 03252081 A 20030402; GB 0208565 A 20020413; US 40650403 A 20030404